26. Solar energy is                   and it can be replaced easily.

      A. new                         B. renew                            C. renewable                     D. non-renewable

27. For many people living in rural areas, biogas is a cheap energy               available.

      A. method                   B. production                    C. supply                           D. consumption

28. Nuclear energy can provide enough electricity for the world’s needs, but it is very            .

      A. risk                         B. risky                             C. endanger                      D. endangered

29. Alternative sources of energy are                          and safe.

      A. enough                   B. not enough                   C. short                             D. abundant

30. Sources of energy will be used more                     for our future.

      A. effective                 B. efficient                        C. effectively                    D. efficiently

31. A sky safety system will stop everyone                crashing in the sky.

      A. at                            B. from                              C. through                         D. for

32.                   regular light bulbs with low energy light bulbs, which use less energy.

      A. Turn                       B. Replace                        C. Place                            D. Put

33. Without good insulation, the                     in our houses goes out through the windows, the doors, etc.

      A. ice                          B. atmosphere                   C. amount                         D. heat

34. A(n)                        station will be built in the North of the country next decade.

      A. hydropower            B. water                            C. hydroelectricity           D. energy

35. We can                   the problem of energy shortage by using solar energy.

      A. carry out                 B. get                                C. recover                         D. solve

36. Don’t forget to                   the lights when leaving a room or going to bed.

      A. turn                         B. turn on                          C. turn off                         D. turn out

37. What should we do to                    our electric bills?

      A. fall                          B. cut down                       C. drop                              D. reduce

38. The use of biogas for cooking                   in the countryside.

      A. will increase           B. will be increasing         C. will be increased          D. will have increased

39. The digital camera belongs to Nick. That camera is                    .

      A. him                         B. he                                  C. his                                 D. one

40. Is this schoolbag               ?

      A. you                         B. your                              C. yours                            D. them

41. The city is working on a project                the slums with clean water.

      A. providing                B. provide                         C. to provide                     D. to providing

42. In that country, over 30% of the population live in                      .

      A. poor                        B. poorer                           C. poverty                         D. the poor

43. Children who                     malnutrition can have a lot of diseases.

      A. suffer from             B. avoid                            C. gain                              D. obtain

44. There are more problems in the slums than in the                        areas.

      A. wealth                    B. richness                        C. wealthy                        D. country

45.                   is quite popular in an overcrowded city where you can see people sleeping in a park or under a bridge.

      A. Homeless               B. The homeless               C. Homelessly                  D. Homelessness

V.  Complete the sentences, using the correct possessive form of the words in brackets.

46. This schoolbag is                                      . (I)

47. These books are                                        . (we)

48. Those books are                                        . (they)

49. This raincoat is                                         . (Nick)

50.                                           is light blue, but my hat is red. (she)

51. This is my pen, and that one is                                         . (you)

52. Our flat has four rooms, and                                              has five rooms. (they)

53. This notebook is                                       . (you)

54. These pencil are                                        . (Ann)

55. Our car is a Chevrolet, but                                                 is a Toyota. (they)

rewrite the sentences so that they have the same meaning as the original ones

1 We will use renewable energy in the future renewable energy

2 this is our school this school is

3 what is the distance between Vinh and Ha Noi city? how

4 I often walked to school when I was a student I used

5 Although they are short,they still love palying sports In spite of

6They will use solar energy to protect the environment solar energy

7

1. We will use renewable energy in the future.

→ Renewable energy.........

2. This is our school.

→ This school is ………

3. What is the distance between Vinh and Ha Noi city?

 →  How……………………………….?

4. I often walked to school when I was a student.

→  I used………………………………………

5. Although they are short, they still love playing sports.

→ In spite of……………………………

6. They will use solar energy to protect the environment.

→ Solar energy …………………………………………………………………..

7. Although she eats lots of food, she is still very slim.

→  In spite of …………………………………………………………………..

8. What is the distance between Hanoi and HCM city?

→  How far …………………………………………………………………..?

1. They will use renewable energy in the future.                                                   

=> Renewable energy …………………………………………..…

2. That is her school.

=> That school is ……………………………..………

3. How long was your flight from Hongkong to Hanoi?

=> How long did it………………………………………?

4. My mother can cook very well.

=> My mother is………………….………….

5. Roller-skating doesn’t interest me.

=> I am not……………………………………………………………………

6. Why were you absent from class last Monday?

=> Why didn’t you……………………………………………….?

7.  I didn’t have a toothache. They didn’t have a toothache.

=> I didn’t……………………, either.

8. It takes me about two hours each day to do my homework.

=> I spend…………………………………………………

9. Will you please look after the house while I am away?

=> Will you take…………………………………………………………………………………?

I.Rewrite the sentence so that they have the same meaning as the original ones.

1.We will use renewable energy in the futura

--> Renewable energy .................................................

2.This is our school.

-->This school is ....................................................

3.What is the distance between Vinh and Ha Noi city?

-->How ...............................................?

4.I often walked to school when I was a student.

-->I used .................................................

5.Although they are short, they still love playing sports

--> In spite of .................................................

6. They will use solar energy to protect the environment

-->Sola energy.............................................................

7.Although she eats lost of food, she is still very slim

-->In spite of .........................................................

8.What is the distance between Hanoi and HCM city?

--?How far ...........................................................?

9. I find English interesting.

--> I am..............................................................

10. Our roof will be fixed tomorrow

--> They......................................

1. We will use renewable energy in the future.

→ Renewable energy ………………………….……………………………………..…

2. This is our school.

→ This school is ……………………………..……………………………………….…

3. What is the distance between Vinh and Ha Noi city?

→  How…………………………………………………………….?

4. I often walked to school when I was a student.

→  I used……………………………………………………………

5. Although they are short, they still love playing sports.

→ In spite of…………………………………………………………

6. They will use solar energy to protect the environment.

→ Solar energy …………………………………………………………………..

7. Although she eats lots of food, she is still very slim.

→  In spite of …………………………………………………………………..

8. What is the distance between Hanoi and HCM city?

→  How far …………………………………………………………………..?

9. I find English interesting.

→ I am ………………………………………..…

10. Our roof will be fixed tomorrow.

→ They……………………………………..

11. They will show flying cars to the public when they finish it.

→  Flying cars ……………………………………………………………………..

12. They will install solar panels on the roof of our house next week.

→  Solar panels ………………………………………………………………

13. We will be using biogas for cooking and heating at this time next month.

→  Biogas ………………………………………………………………………………...

14. People won’t burn fossil fuels for energy in the future.

→  Fossil fuels …………………………………………………………………

15. New York has more billionaires than Tokyo. (FEWER)

->……………………………………………………………………………………….

16. A group of foreigners visited the slums last week, didn’t they? (VISIT)

->……………………………………………………………………………………….

17. The countryside doesn’t suffer as much pollution as the city. (LESS)

->……………………………………………………………………………………….

18. Jakarta doesn’t have as many skyscrapers as Shanghai. (MORE)

->……………………………………………………………………………………….

19. Let’s go to the school cafeteria. (ABOUT)

->……………………………………………………………………………………….

20. It’s necessary for the government to find a solution to reduce traffic jams. (using have…)

->……………………………………………………………………………………….

1. We will use renewable energy in the future.

→ Renewable energy ………………………….……………………………………..…

2. This is our school.

→ This school is ……………………………..……………………………………….…

3. What is the distance between Vinh and Ha Noi city?

→  How…………………………………………………………….?

4. I often walked to school when I was a student.

→  I used……………………………………………………………

5. Although they are short, they still love playing sports.

→ In spite of…………………………………………………………

6. They will use solar energy to protect the environment.

→ Solar energy …………………………………………………………………..

7. Although she eats lots of food, she is still very slim.

→  In spite of …………………………………………………………………..

8. What is the distance between Hanoi and HCM city?

→  How far …………………………………………………………………..?

9. I find English interesting.

→ I am ………………………………………..…

10. Our roof will be fixed tomorrow.

→ They……………………………………..

11. They will show flying cars to the public when they finish it.

→  Flying cars ……………………………………………………………………..

12. They will install solar panels on the roof of our house next week.

→  Solar panels ………………………………………………………………

13. We will be using biogas for cooking and heating at this time next month.

→  Biogas ………………………………………………………………………………...

14. People won’t burn fossil fuels for energy in the future.

→  Fossil fuels …………………………………………………………………

15. New York has more billionaires than Tokyo. (FEWER)

->……………………………………………………………………………………….

16. A group of foreigners visited the slums last week, didn’t they? (VISIT)

->……………………………………………………………………………………….

17. The countryside doesn’t suffer as much pollution as the city. (LESS)

->……………………………………………………………………………………….

18. Jakarta doesn’t have as many skyscrapers as Shanghai. (MORE)

->……………………………………………………………………………………….

19. Let’s go to the school cafeteria. (ABOUT)

->……………………………………………………………………………………….

20. It’s necessary for the government to find a solution to reduce traffic jams. (using have…)

->……………………………………………………………………………………….

6. source of energy is the source that can’t be replaced after use. 

A. Effective B. Non-renewable C. Renewable D. Natural 

7. Which of the following is NOT renewable source of energy? 

A. wind B. coal C. hydro D. solar 

8. We are looking for cheap, clean and sources of energy. 

A. serious B. dangerous C. effective D. efficient 

9. By the middle of the 21st century, people in developing countries more renewable energy. 

A. used B. have used C. uses D. will be using 

10. If we go on electricity, we will have to pay a lot next month. 

A. turning on B. widened C. wasting D. increasing